Re: [PATCH] Re: [coLinux-devel] Invalid argument zeroing block?

[Sean B. <sea...@so...>]

On Sunday 15 February 2004 22:17, Dan Aloni wrote:
> On Sat, Feb 14, 2004 at 08:07:32PM -0600, Richard Goodwin wrote:
> > On one of my systems I'm having some problems adding a new cobd device. I
> > tried using Sean's 4gb image, mounted via the xml, used fdisk to put a
> > partition on it, but then mke2fs (or ext3) bombs out with "Invalid
> > argument zeroing block 536846320 at end of filesystem". fdisk, cfdisk,
> > and sfdisk all report that the partitions I create are screwy, like
> > -19349 blocks or something.
> >
> > I tried creating a 3gb image by copy /b the Debian 1gb image, but the
> > same problem happens (different block sizes of course). sfdisk -g (get
> > geometry) says the kernel can't determine the geometry.
> >
> > I've done this fine on my work system but doesn't appear to be working on
> > the home system. I actually already have a cobd0, cobd1, and cobd2, so
> > this makes cobd3. Has anyone else run into this?
>
> This patch on top of the 0.5.3/linux/patch should address the problem.
>
> It turns out that cobd was passing wrong information about the device's
> size to userspace. Userspace gets the size of the disk in hardsects and
> that can only fit into an unsigned long. The previous calculation was
> overflowing.

Will this patch allow me to boot my real Linux root fs which is 20gb?
- I did try about a week ago but got messages reporting attempts to access 
data beyond the end of the disk.

Cheers.

Disk /dev/hda: 80.0 GB, 80060424192 bytes
255 heads, 63 sectors/track, 9733 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot      Start         End      Blocks   Id  System
/dev/hda2   *         264        2839    20691720   83  Linux

# tune2fs -l /dev/hda2

tune2fs 1.34 (25-Jul-2003)
Filesystem volume name:   <none>
Last mounted on:          <not available>
Filesystem UUID:          390f1859-0a75-4802-a373-5b530026038f
Filesystem magic number:  0xEF53
Filesystem revision #:    1 (dynamic)
Filesystem features:      has_journal dir_index needs_recovery large_file
Default mount options:    (none)
Filesystem state:         clean
Errors behavior:          Continue
Filesystem OS type:       Linux
Inode count:              5131840
Block count:              5172930
Reserved block count:     206917
Free blocks:              909993
Free inodes:              4624578
First block:              0
Block size:               4096
Fragment size:            4096
Blocks per group:         32768
Fragments per group:      32768
Inodes per group:         32480
Inode blocks per group:   1015
Last mount time:          Sun Feb 15 23:14:11 2004
Last write time:          Mon Feb 16 02:33:32 2004
Mount count:              1
Maximum mount count:      2
Last checked:             Sun Feb 15 23:13:37 2004
Check interval:           15552000 (6 months)
Next check after:         Sat Aug 14 00:13:37 2004
Reserved blocks uid:      0 (user root)
Reserved blocks gid:      0 (group root)
First inode:              11
Inode size:               128
Journal inode:            8
First orphan inode:       3868049
Default directory hash:   tea
Directory Hash Seed:      d6487111-58fe-49d0-9ff5-cb965bec03da